Home>Subjects>General Knowledge>Chemical Reactions & Equations

Chemical Reactions & Equations

Medium

Balance equations and identify reaction types

3 questions Medium

1

What type of reaction is: 2H₂ + O₂ → 2H₂O?

A.Decomposition

B.Synthesis

C.Single replacement

D.Double replacement

2

What is produced when an acid reacts with a base?

A.Gas only

B.Salt and water

C.Metal oxide

D.Hydrogen gas

3

What speeds up a chemical reaction without being consumed?

A.Reactant

B.Product

C.Catalyst

D.Solvent